Astronomy: Did you mean...?

Women scientists during the Scientific Revolution (1500-1700) were few in number because male-dominated educational institutions, as well as scientific societies and academies, barred women entry, meaning that few had the education or opportunity...

Cyrus the Great (558-530 BCE) built the first universal empire, stretching from Greece to the Indus River. This was the famous Achaemenid Empire of Persia. An inscription at Naqsh-i-Rustam, the tomb of his able successor Darius I (521-486...

The Maya are an indigenous people of Mexico and Central America who have continuously inhabited the lands comprising modern-day Yucatan, Quintana Roo, Campeche, Tabasco, and Chiapas in Mexico and southward through Guatemala, Belize, El Salvador...

The ancient Greeks are often credited with building the foundations upon which all western cultures are built, and this impressive accolade stems from their innovative contributions to a wide range of human activities, from sports to medicine...

The astrolabe is an astronomical instrument used from around the 6th century to measure time and position by determining the altitude of heavenly bodies like the Sun and certain stars. Measurements were taken in reference to the viewer's...

Eratosthenes (l. c. 276-195 BCE) was a Greek astronomer, geographer, mathematician, and poet best known for being the first to calculate the circumference of the earth and its axial tilt. He is also recognized for his mathematical innovation...

Aristarchus of Samos (l. c. 310 - c. 230 BCE) was a Greek astronomer who first proposed a heliocentric model of the universe in which the sun, not the earth, was at the center. Although his theory was noted by other thinkers of his time...

Marcus Vitruvius Pollio (c. 90 - c. 20 BCE), better known simply as Vitruvius, was a Roman military engineer and architect who wrote De Architectura (On Architecture), a treatise which combines the history of ancient architecture and engineering...

Cheomseongdae (Chomsongdae) is a 7th-century CE observatory tower located in Gyeongju, the capital of the Silla Kingdom of ancient Korea. It is the oldest surviving astronomical observatory in East Asia and is listed as no. 31 on the official...

India is a country in South Asia whose name comes from the Indus River. The name 'Bharata' is used as a designation for the country in their constitution referencing the ancient mythological emperor, Bharata, whose story is told, in part...